Interface ValidationEventHandler

If an application needs to implement customized event handling, it must
implement this interface and then register it with either the
Unmarshaller,
the Validator, or
the Marshaller.
The JAXB Provider will then report validation errors and warnings encountered
during the unmarshal, marshal, and validate operations to these event
handlers.

If the handleEvent method throws an unchecked runtime exception,
the JAXB Provider must treat that as if the method returned false, effectively
terminating whatever operation was in progress at the time (unmarshal,
validate, or marshal).

Modifying the Java content tree within your event handler is undefined
by the specification and may result in unexpected behaviour.

Failing to return false from the handleEvent method after
encountering a fatal error is undefined by the specification and may result
in unexpected behavior.

Method Detail

handleEvent

Receive notification of a validation warning or error.
The ValidationEvent will have a
ValidationEventLocator embedded in it that
indicates where the error or warning occurred.

If an unchecked runtime exception is thrown from this method, the JAXB
provider will treat it as if the method returned false and interrupt
the current unmarshal, validate, or marshal operation.

Parameters:

event - the encapsulated validation event information. It is a
provider error if this parameter is null.

Returns:

true if the JAXB Provider should attempt to continue the current
unmarshal, validate, or marshal operation after handling this
warning/error, false if the provider should terminate the current
operation with the appropriate UnmarshalException,
ValidationException, or MarshalException.